Build a Thai PromptPay QR payment payload (EMVCo / Thai QR Payment text) for a mobile number, 13-digit national ID or tax ID, or e-wallet ID, with an optional amount in baht. Checks the ID checksum and adds the CRC. Render the payload as a QR code and any Thai banking app can pay it. Query: ?id=0812345678&amount=150
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0xC34f...F529 |